package com.example.yubo.zyfypt_403yb.fragment;

import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.example.yubo.zyfypt_403yb.R;
import com.example.yubo.zyfypt_403yb.adapter.ProjectAdapter;
import com.example.yubo.zyfypt_403yb.bean.ProjectBean;
import com.example.yubo.zyfypt_403yb.iface.ProjectListener;
import com.example.yubo.zyfypt_403yb.model.ProjectModel;

import java.util.List;

import static android.content.Context.MODE_PRIVATE;

/**
 * Created by Neusoft on 2017/4/9.
 */

public class Fragment5 extends Fragment {
    private  TextView tvinfo;
    private View view=null;
    private Context context;

    private RecyclerView recyclerView;
    private LinearLayoutManager  layoutManager;//显示布局效果
    //private MyAdapter myAdapter;//适配器
    //private List<ArticleBean> list=null;//数据源
    private ProjectAdapter projectAdapter;
    private List<ProjectBean> list=null;
    private SharedPreferences sp;
    private String sessionid;

    private int page=1; // 代表页数，并初始化为1，代表第1页。
    private int lastVisibleItemPosition;//最后一条可见条目的位置

    ProjectListener projectListener=new ProjectListener() {




        public void onResponse(List<ProjectBean> beanlist) {
           // list=list;
            if(page==1)
            {
                list=beanlist;
            }
            else {
                list.removeAll(beanlist);
                list.addAll(beanlist);
            }
            projectAdapter.setList(list);//得到网书中的数据 传到adapter
            //通知的话 数据更新

            projectAdapter.notifyDataSetChanged();
        }

        @Override
        public void onFail(String msg) {
            Toast.makeText(context, "msg", Toast.LENGTH_SHORT).show();
        }
    };

    //这里截至
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        context = getActivity();

       ProjectModel projectModel = new ProjectModel();
        //动态加载Fragment1的布局文件
        view = inflater.inflate(R.layout.fragment5, container, false);
        //获取布局上的控件，注意通过view获取
        tvinfo = (TextView) view.findViewById(R.id.textView8);

        //tvinfo.setText("微信");

        //注意Toast第一个参数上下文
        Toast.makeText(context, "加载Fragment项目", Toast.LENGTH_SHORT).show();
        //返回动态生成的view
        sp=context.getSharedPreferences("login",MODE_PRIVATE);
        readSP();
        //粘
        initRecyclerView();


        //调用哪个方法 拿到数据
        //第二页
        //在这使用它 实例化Artivitymodel 调用方法获取网络数据

        projectModel.getResoutList("project", 2,sessionid,projectListener);
//这里
        return view;
    }
    private void readSP() {
        sessionid = sp.getString("sessionid", null);
    }

    //粘贴
    private void initRecyclerView() {
        //获取RecyclerView 设置属性 获取数据源 绑定
        recyclerView = (RecyclerView) view.findViewById(R.id.recyclerview);
        //创建默认的线性布局
        layoutManager = new LinearLayoutManager(context);
        //设置布局管理器
        recyclerView.setLayoutManager(layoutManager);
        recyclerView.setHasFixedSize(true);
        //  list=getData();
        projectAdapter = new ProjectAdapter(context);
        projectAdapter.setList(list);
        recyclerView.setAdapter(projectAdapter);
        //以下为新增内容
        recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                if (newState == RecyclerView.SCROLL_STATE_IDLE && lastVisibleItemPosition + 1 == list.size()) {
                    page += 1;
                    //再次实例化ArticleModel，调用方法获取网络数据，请求新一页数据
                    ProjectModel projectModel = new ProjectModel();
                    projectModel.getResoutList("project", page, sessionid, projectListener);

                }
            }

            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                lastVisibleItemPosition = layoutManager.findLastVisibleItemPosition();//滚动结束后将赋值为可见条目中最后一条位置
            }
        });
    }
    //这里
}